[Added] tamed creature pets now grow over time (newly tamed pets only,
growth rate is accelerated for testing)
[Fixed] attack speed of mobiles not spawned at template level (ex.
babies)

Change-Id: I675c27e876c9ab2bb411319ff64d25c134001ef1
Merge "[Added] tamed creature pets now grow over time (newly tamed pets only, growth rate is accelerated for testing) [Fixed] attack speed of mobiles not spawned at template level (ex. babies)" into unstable